Managing antivirus false positive from unofficial signatures in NS8

Hi all, our NS8 sometimes found false positive in incoming mail messages. The most of time the false positive is derived from a unofficial signature. There is an NS8 official way to modify signatures rules used by clamav? If I add or modify a .ign2 file to /var/lib/clamav/, the file is maintained after the clamav container update?

Paolo

Yes, it’s saved in a podman volume “clamav-db” but it’s not included in the backup.

thank you very much, I’ll try.

My best regards